www.doollee.com (this is a direct link to a website) (the free online guide to modern playwrights and theatre plays which have been written, adapted or translated, into English since the production of Look Back in Anger in 1956. doollee.com contains information on 46,563 Playwrights and 158,754 of their Plays.)

For those playwrights who are looking for production opportunities for their newest plays Leicester Bay Theatricals suggests:LINK